| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL |
| INSERT SIZE | 0.375-16 |
| INTERNAL THREAD RELIEF DEPTH | 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM |
| LENGTH | 0.360 INCHES MINIMUM AND 0.390 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303 OVERALL |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| STYLE DESIGNATOR | KEYLOCK |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 28 |
| TOP UNTHREADED PORTION OUTSIDE DIAMETER | 0.287 INCHES MINIMUM AND 0.297 INCHES MAXIMUM |
| TOP PORTION UNTHREADED OUTSIDE LENGTH | 0.052 INCHES MINIMUM AND 0.057 INCHES MAXIMUM |
| WIDTH ACROSS FLATS | 0.252 INCHES MINIMUM AND 0.262 INCHES MAXIMUM |